The isotropic quantum Heisenberg antiferromagnet at T equals 0 is studied using the renormalization group method for perturbation expansion of the Dyson-Maleev spin wave model in the inverse of the spin size S. The result does not agree with that of non-linear delta -model in two dimension.
|Number of pages||10|
|Journal||Journal of the Physical Society of Japan|
|Publication status||Published - 1985 Jun|
ASJC Scopus subject areas
- Physics and Astronomy(all)